JPS61206755U - - Google Patents
Info
- Publication number
- JPS61206755U JPS61206755U JP8743985U JP8743985U JPS61206755U JP S61206755 U JPS61206755 U JP S61206755U JP 8743985 U JP8743985 U JP 8743985U JP 8743985 U JP8743985 U JP 8743985U JP S61206755 U JPS61206755 U JP S61206755U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- operating
- input signal
- valve
- operating valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
Description
第１図は本考案の実施例を示す回路図、第２図
は本考案の他の実施例を示す回路図、第３図は定
比減圧弁の実施例を示す断面図である。
８，１５は油圧ポンプ。
FIG. 1 is a circuit diagram showing an embodiment of the invention, FIG. 2 is a circuit diagram showing another embodiment of the invention, and FIG. 3 is a sectional view showing an embodiment of a constant ratio pressure reducing valve. 8 and 15 are hydraulic pumps.
Claims (1)
複数の油圧ポンプ８，１５にそれぞれ入力信号に
て切換操作するようにした操作弁を介して接続し
、またいくつかの油圧アクチエータを１つの油圧
ポンプ８に上記操作弁を介して接続した油圧駆動
式のパワーシヨベルの操作装置において、上記各
操作弁の入力信号受部への入力信号を複数段階に
変換自在にすると共に、複数の油圧ポンプ８，１
５に接続した各油圧アクチエータの油圧ポンプと
の間に介装した操作弁の切換用の入力信号をＯＮ
，ＯＦＦできるようにしたことを特徴とするパワ
ーシヨベルの操作装置。 Some of the plurality of hydraulic actuators are connected to the plurality of hydraulic pumps 8 and 15 via operating valves that are switched by input signals, and some of the hydraulic actuators are connected to one hydraulic pump 8. In the operating device for a hydraulically driven power shovel, which is connected to the operating valve via the operating valve, the input signal to the input signal receiving section of each operating valve can be converted into a plurality of stages, and a plurality of hydraulic pumps 8, 1 are connected to each other via the operating valve.
Turn on the input signal for switching the operation valve interposed between the hydraulic pump of each hydraulic actuator connected to 5.
, an operating device for a power shovel, characterized in that it can be turned off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8743985U JPS61206755U (en) | 1985-06-12 | 1985-06-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8743985U JPS61206755U (en) | 1985-06-12 | 1985-06-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61206755U true JPS61206755U (en) | 1986-12-27 |
Family
ID=30639656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8743985U Pending JPS61206755U (en) | 1985-06-12 | 1985-06-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61206755U (en) |
-
1985
- 1985-06-12 JP JP8743985U patent/JPS61206755U/ja active Pending
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